01 -
Preheat oven to 350°F.
02 -
Beat butter and sugar until fluffy.
03 -
Mix in egg yolks.
04 -
Add vanilla if using single flavor.
05 -
Mix in flour until just combined.
06 -
Divide dough into three portions.
07 -
Add extracts if using different flavors.
08 -
Color one portion red, one green.
09 -
Roll each color into 18-inch logs.
10 -
Press logs together.
11 -
Cut into ½-inch slices.
12 -
Roll into balls.
13 -
Coat in sanding sugar.
14 -
Place on lined baking sheet.
15 -
Bake 10 minutes.